Prosecution Insights
Last updated: October 26, 2026

Drew A Dunn, USPTO Patent Examiner

Listed by the USPTO as DUNN, DREW A

Tech Center 2800 • Art Units: 2859 2863

This examiner grants 15% of resolved cases

Analysis

DUNN, DREW A is a USPTO patent examiner in tech center 2800 and art unit 2859. The profile records 85 resolved cases, a 15.3% allowance rate, and a median of 1281 days to allowance. Interviews show a 10.3% lift, providing a positive association but not a large offset to the recorded allowance result.

The listed companies are LG Energy Solution Ltd., MILWAUKEE ELECTRIC TOOL Corporation, and Black & Decker Inc. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, CARTER, DELUCA & FARRELL LLP, and Dickinson Wright PLLC - Troy. The limited record calls for application-specific analysis, with careful written responses and selective interviews.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

15.3%
Allow Rate
-52.7% vs TC avg
129
Total Applications
+10.3%
Interview Lift
1281
Avg Prosecution Days
Based on 85 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
21.2%
§102 Novelty
55.5%
§103 Obviousness
18.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18318829 PORTABLE CHARGING STATION Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
17703436 DISCRETE BATTERY PACK DISCONNECT CIRCUIT Non-Final OA Black & Decker Inc.
18413263 ALL-SOLID-STATE BATTERY SYSTEM AND VEHICLE Non-Final OA Toyota Jidosha Kabushiki Kaisha
18561447 Battery Pack Voltage Measurement Circuit And Operation Method Thereof Non-Final OA LG Energy Solution, Ltd.
18037619 BATTERY CONTROL CIRCUIT, ELECTRONIC DEVICE, AND CHARGING CONTROL METHOD Final Rejection HONOR DEVICE CO., LTD.
18508777 METHOD AND SYSTEM FOR CONTROLLING VEHICLE BATTERY PACK BASED ON A BATTERY HEALTH MODEL DEFINED USING DATA-DRIVEN ANALYSIS Non-Final OA Ford Global Technologies, LLC

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Frequently Asked Questions

What is examiner Drew A Dunn's allowance rate?

15.3% of resolved applications examined by Drew A Dunn were allowed (85 resolved cases), compared with 60.2% across Art Unit 2859 over the last five years.

Does an interview help with examiner Drew A Dunn?

This examiner's interview lift is +10.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Drew A Dunn take to allow a patent?

Applications allowed by Drew A Dunn took 1,281 days on average from filing to allowance.

Which art unit does examiner Drew A Dunn work in?

Drew A Dunn examines applications in Art Unit 2859 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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